Finding the Fourth Proportional to 87,582.94, 119,989.07 and 84,302.92
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Solution
The fourth proportional to 87,582.94, 119,989.07 and 84,302.92 is: 115,495.43
Step by Step Solution
- Step 1: Write the proportion equation
87,582.94 : 119,989.07 = 84,302.92 : x - Step 2: Convert to fraction form
87,582.94/119,989.07 = 84,302.92/x - Step 3: Cross multiply
87,582.94x = 119,989.07 × 84,302.92 - Step 4: Simplify right side
87,582.94x = 10,115,428,969.08 - Step 5: Solve for x
x = 10,115,428,969.08/87,582.94 - Step 6: Final answer
x = 115,495.43
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.